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SEND BROADCAST DATAGRAM

Command code
. Hex 22 - wait option
. Hex A2 - no-wait option

Fields required
. NCB_BUFFER@
. NCB_LENGTH
. NCB_NUM
. NCB_POST@     (if no-wait option is used)
. NCB_LANA_NUM  (number of the adapter for the send broadcast datagram)

Field returned
. NCB_RETCODE
. NCB_CMD_CPLT

Immediate return codes
. Hex 00    - Command has no immediate errors
. Hex 03    - Invalid command
. Hex 21    - Interface busy
. Hex 22    - Too many commands outstanding
. Hex 23    - Invalid number in NCB_LANA_NUM field
. Hex 40/4F - Unusual network condition
. Hex 50/FE - Adapter malfunction

Final return codes
. Hex 00    - Command complete
. Hex 01    - Invalid buffer length
. Hex 03    - Invalid command
. Hex 13    - Invalid name number
. Hex 19    - Name conflict detected
. Hex 21    - Interface busy
. Hex 22    - Too many commands outstanding
. Hex 23    - Invalid number in NCB_LANA_NUM field
. Hex 40/4F - Unusual network condition
. Hex 50/FE - Adapter malfunction

Function
This command sends a message to everyone who has a Receive Broadcast Datagram
command outstanding. If the remote adapter does not have a Receive Broadcast
Datagram command outstanding, it does not get the message. If a computer
issues a Send Broadcast Datagram command and has a Receive Broadcast Datagram
command outstanding, the adapter receives its own message. If the adapter has
several broadcast messages pending, the next Send Broadcast command issued
satisfies all Receive Broadcast commands.